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Q.1: In the passage, the author is primarily interested in (A) suggesting an alternative to an outdated research method (B) introducing a new research method that calls an accepted theory into question (C) emphasizing the instability of data gathered from the application of a new scientific method (D) presenting a theory and describing a new method to test that theory(D) (E) initiating a debate about a widely accepted theory
Why D and not C?
Q.7: It can be inferred from the passage that calcium carbonate shells (A) are not as susceptible to deterioration as rocks (B) are less common in sediments formed during an ice age (C) are found only in areas that were once covered by land ice (D) contain radioactive material that can be used to determine a sediment’s isotopic composition(E) (E) reflect the isotopic composition of the water at the time the shells were formed
Why E and not D?
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Q.1: In the passage, the author is primarily interested in (A) suggesting an alternative to an outdated research method (B) introducing a new research method that calls an accepted theory into question (C) emphasizing the instability of data gathered from the application of a new scientific method (D) presenting a theory and describing a new method to test that theory(D) (E) initiating a debate about a widely accepted theory
Why D and not C?
Q.7: It can be inferred from the passage that calcium carbonate shells (A) are not as susceptible to deterioration as rocks (B) are less common in sediments formed during an ice age (C) are found only in areas that were once covered by land ice (D) contain radioactive material that can be used to determine a sediment’s isotopic composition(E) (E) reflect the isotopic composition of the water at the time the shells were formed
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.